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401341231 = 439333517
BaseRepresentation
bin10111111010111…
…111101100101111
31000222012020200001
4113322333230233
51310220404411
6103454045131
712642226024
oct2772775457
91028166601
10401341231
11196601675
12b24a97a7
13651c0c25
143b43354b
152537adc1
hex17ebfb2f

401341231 has 4 divisors (see below), whose sum is σ = 410674792. Its totient is φ = 392007672.

The previous prime is 401341153. The next prime is 401341249. The reversal of 401341231 is 132143104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 401341231 - 27 = 401341103 is a prime.

It is a super-2 number, since 2×4013412312 = 322149567401190722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 401341199 and 401341208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401347231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4666716 + ... + 4666801.

It is an arithmetic number, because the mean of its divisors is an integer number (102668698).

Almost surely, 2401341231 is an apocalyptic number.

401341231 is a deficient number, since it is larger than the sum of its proper divisors (9333561).

401341231 is an equidigital number, since it uses as much as digits as its factorization.

401341231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9333560.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 401341231 is about 20033.5027142035. The cubic root of 401341231 is about 737.6289038687.

Adding to 401341231 its reverse (132143104), we get a palindrome (533484335).

The spelling of 401341231 in words is "four hundred one million, three hundred forty-one thousand, two hundred thirty-one".

Divisors: 1 43 9333517 401341231